nav-drop-multi.php

<!-- CSS code from Bootply.com editor -->
<style type="text/css">
.marginBottom-0 {
	margin-bottom: 0;
}
.dropdown-submenu {
	position: relative;
}
.dropdown-submenu>.dropdown-menu {
	top: 0;
	left: 100%;
	margin-top: -6px;
	margin-left: -1px;
	-webkit-border-radius: 0 6px 6px 6px;
	-moz-border-radius: 0 6px 6px 6px;
	border-radius: 0 6px 6px 6px;
}
.dropdown-submenu>a:after {
	display: block;
	content: " ";
	float: right;
	width: 0;
	height: 0;
	border-color: transparent;
	border-style: solid;
	border-width: 5px 0 5px 5px;
	border-left-color: #cccccc;
	margin-top: 5px;
	margin-right: -10px;
}
.dropdown-submenu:hover>a:after {
	border-left-color: #555;
}
.dropdown-submenu.pull-left {
	float: none;
}
.dropdown-submenu.pull-left>.dropdown-menu {
	left: -100%;
	margin-left: 10px;
	-webkit-border-radius: 6px 0 6px 6px;
	-moz-border-radius: 6px 0 6px 6px;
	border-radius: 6px 0 6px 6px;
}
</style>

<div id="nav-drop-multi">
	<div id="drop-multi-wrapper">
		<nav id="drop-multi" class="container">
			<nav class="navbar navbar-default" role="navigation">
				<div class="navbar-header">
					<button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#navbar-collapse-1"> <span class="sr-only">Toggle navigation</span> <span class="icon-bar"></span> <span class="icon-bar"></span> <span class="icon-bar"></span> </button>
					<a class="navbar-brand visible-xs" href="<?php echo esc_url( home_url( '/' ) ); ?>"><?php bloginfo( 'name' ); ?></a>
				</div>
				<div class="collapse navbar-collapse" id="navbar-collapse-1">
				<?php
						$locations = get_nav_menu_locations();
						$menu_at_primary_location = $locations['primary'];
						$items = wp_get_nav_menu_items( $menu_at_primary_location );
						if(empty($items)){
							echo '<ul class="nav navbar-nav"><li><a href="'.home_url().'">Home</a></li></ul>';
						} else {
							$menu = wp_nav_menu( 
								array(
									'menu_class' => 'nav navbar-nav',
									'theme_location' => 'primary', /* where in the theme it's assigned */
									'container' => false, /* container class */
									'fallback_cb' => 'hale_main_nav_fallback',
									'items_wrap' =>	'<ul class="%2$s"><li><a href="'.home_url().'">Home</a></li>%3$s</ul>',
									'walker' => new Drop_Multi_Nav_Walker()/*,
									'with_search' => true*/
								)
							);			
						}
					?>
				</div>
			</nav>
		</nav>
	</div>
</div>


<!-- JavaScript jQuery code from Bootply.com editor  --> 

<script type='text/javascript'>
        
            (function($){

	$(document).ready(function(){

		$('ul.dropdown-menu [data-toggle=dropdown]').on('click', function(event) {

			event.preventDefault(); 

			event.stopPropagation(); 

			$(this).parent().siblings().removeClass('open');

			$(this).parent().toggleClass('open');

		});

	});

})(jQuery);
        
        </script>